Seed taking finger clamp suitable for cotton seeds or similar cotton seeds and side wall clamping and pressing type seed sowing device

Abstract

The seed taking finger clamp comprises a finger clamp body, one end, connected with a connecting rod of a seed taking assembly, of the finger clamp body is a seed taking part, a seed guiding cambered surface and a seed metering cambered surface are arranged on the top surface of the seed taking part, the seed guiding cambered surface is arranged close to the side of a base plate, and the seed metering cambered surface is arranged away from the side of the base plate. A seed taking space of 0.5-1 mm is reserved between the seed guiding cambered surface and the top surface of the rotating part, the seed metering cambered surface is horizontal to the top surface of the rotating part, a seed clamping groove is formed between the seed guiding cambered surface and the seed metering cambered surface, the bottom surface of the seed clamping groove is an inwards-concave cambered surface, and the bottom surface of the seed clamping groove is of a variable-size structure with the width gradually reduced. The bottom surface of the seed clamping groove close to the rotating part end is widest, the inner side part of the seed clamping groove far away from the rotating part end is communicated with the seed guide cambered surface, and the outer side part is communicated with the seed metering cambered surface. The seed guiding cambered surface, the seed metering cambered surface and the seed clamping groove of the seed taking finger clamp are matched to ensure that only one seed is taken each time, so that precise seeding is realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of agricultural machinery relates to seeding machine, concretely relates to a kind of seed taking finger clamp and side wall clamp press type seed metering device suitable for cotton seed or cotton-like seed. BACKGROUND

[0002] Side wall clamp press type seed metering device adopts side wall clamp press type seed taking structure, this structure not only can realize precision seeding to most seeds, but also can work normally for a long time, and truly realizes mechanical precision seeding.The key of the precision seeding of this structure lies in finger clamp structure, although existing finger clamp structure can realize precision seeding to most seeds, but in actual use process, there is still the condition of empty seed or double seed.

[0003] The applicant designs a kind of seed taking finger clamp for side wall clamp press type seed metering device (application number: 2023234970621) before, the seed taking finger clamp structure is simple, can reduce the highest upper limit of seed surface in the process of seed flow, avoid seed from side seed discharge port discharge;And in the case where no anti-clamping block is installed, seed taking finger clamp structure can also be improved to avoid seed, for large, medium and small corn or soybean seed, the stability of seed can be maintained, and high-precision precision seeding is realized.However, since existing cotton seed is usually oval, pear-shaped or flat elliptical, its shape, size and other differences with corn or soybean seed are large, if using the seed metering device of the above seed taking finger clamp, it is difficult to realize precision seeding.Therefore, for cotton seed or seed similar to cotton seed in shape, it is necessary to design a new finger clamp structure to realize precision seeding. SUMMARY

[0004] In view of the above technical problems and defects, the purpose of the utility model is to provide a kind of seed taking finger clamp suitable for cotton seed or cotton-like seed, the seed taking finger clamp changes the overall structure of previous finger clamp, designs seed guide camber, seed metering camber, and the seed taking groove is specially designed, seed guide camber, seed metering camber and seed taking groove cooperate to ensure that only one seed is taken each time, to realize precision seeding.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of seed taking finger clamp suitable for cotton seed or cotton-like seed, including finger clamp body, the one end of the finger clamp body and the bottom disc of seed metering device are connected as rotating part, and the one end of the connecting rod connected with seed taking assembly is seed taking part, hinged shaft hole is equipped on the rotating part, and the outer end surface of rotating part is semicircular structure, connecting rod hole is equipped on the seed taking part;

[0007] The seed-collecting part has a seed-guiding arc surface and a seed-discharging arc surface on its top surface. The seed-guiding arc surface is located near the base plate, and the seed-discharging arc surface is located away from the base plate. A seed-collecting space of 0.5-1mm is reserved between the seed-guiding arc surface near the rotating part and the top surface of the rotating part. The seed-discharging arc surface near the rotating part is horizontal with the top surface of the rotating part. A seed-clamping groove is provided between the seed-guiding arc surface and the seed-discharging arc surface near the rotating part. The bottom surface of the seed-clamping groove is a concave arc surface, and the bottom surface of the seed-clamping groove has a variable size structure with a gradually decreasing width. The bottom surface of the seed-clamping groove near the rotating part is the widest. The inner part of the seed-clamping groove away from the rotating part is connected to the seed-guiding arc surface, and the outer part is connected to the seed-discharging arc surface. The seed-guiding arc surface guides cotton seeds or cotton-like seeds into the seed-clamping groove. The size of the seed-clamping groove must be suitable for accommodating only one cotton seed or cotton-like seed.

[0008] As a preferred embodiment of this utility model, the seed guiding arc surface, the seed discharging arc surface, and the bottom surface of the seed taking part are provided with smooth flow-blocking inclined sections.

[0009] As a preferred embodiment of this utility model, the finger clip body is machined with blind holes or through holes, which are disposed between the connecting rod hole and the hinge hole.

[0010] As a preferred embodiment of this utility model, the width W1 of the finger clip body is controlled at 7-8mm, the length L1 of the finger clip body near the chassis is controlled at 25.5-27mm, the length L2 away from the chassis is controlled at 24-25mm, the maximum width W2 of the seed clamping groove is controlled at 5.5-6.8mm, the maximum depth of the seed clamping groove is controlled at 2.2-3mm, the length L3 of the seed clamping groove is controlled at 8-9mm, the distance L4 between the seed clamping groove and the outer side of the rotating part 1 is controlled at 10.5-11.5mm, the distance L5 between the hinge hole and the connecting rod hole is controlled at 13-14.5mm, and the distances L6 and L7 between the center of the hinge hole and the connecting rod hole and the bottom surface of the finger clip body are controlled at 7-7.5mm and 4.5-5mm, respectively.

[0011] This utility model also provides a side-wall clamping seed metering device, wherein the clamping seed-taking component on the side-wall clamping seed metering device includes a rocker arm, a finger clamp, a connecting rod, a limiting post, and a torsion spring; the finger clamp is the above-mentioned seed-taking finger clamp suitable for cotton seeds or cotton-like seeds.

[0012] As a preferred embodiment of this utility model, the side-wall clamping seed metering device includes a side-wall clamping finger-clamping drop seed metering device or a side-wall clamping seed metering device with a side seeding port.

[0013] Advantages and beneficial effects of this utility model:

[0014] (1) The seed-taking finger clip provided by this utility model has a special design for the overall structure of the finger clip based on the shape and size of cotton seeds. The finger clip body is designed with a seed-guiding arc surface and a seed-discharging arc surface. At the same time, the seed-clamping groove of the previous finger clip is specially designed. The seed-guiding arc surface and the seed-discharging arc surface cooperate with the seed-clamping groove. The seed-guiding arc surface guides the cotton seed or cotton-like seed into the seed-clamping groove. The size of the seed-clamping groove is only suitable for holding one cotton seed or cotton-like seed. Excess seeds are discharged from the outer side of the seed-clamping groove along the seed-discharging arc surface, ensuring that only one seed is taken at a time, realizing precise seed taking, and thus realizing precision sowing.

[0015] (2) The outer end face of the rotating part of the seed-taking finger clip provided by this utility model is a semi-circular structure. This structure effectively solves the technical problem that the upper right part of the existing finger clip is easy to pinch seeds. The improvement of this structure can omit the installation of the existing anti-pinch block and simplify the overall structure of the seed metering device.

[0016] (3) The seed-taking finger clamp provided by this utility model has a smooth flow-blocking inclined section on the seed-guiding arc surface, the seed-discharging arc surface and the bottom surface of the seed-taking part. The smooth flow-blocking inclined section, in conjunction with the seed-guiding arc surface and the seed-discharging arc surface, can slow down the flow of seeds, reduce the maximum height of the seed surface, and prevent seeds from being discharged from the side seed discharge port.

[0017] (4) The seed-taking finger clip provided by this utility model has blind holes or through holes processed on the finger clip body, which can avoid deformation of the finger clip and ensure that the seed-taking finger clip can still accurately take seeds after long-term use. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of the seed-collecting finger clip applicable to cotton seeds or cotton-like seeds according to this utility model. Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the overall structure of the seed-collecting finger clip applicable to cotton seeds or cotton-like seeds according to this utility model. Figure 2 ;

[0021] Figure 3 This is a schematic diagram of the overall structure of the seed-collecting finger clip applicable to cotton seeds or cotton-like seeds according to this utility model. Figure 3 ;

[0022] Figure 4 This is a schematic diagram of the overall structure of the seed-collecting finger clip applicable to cotton seeds or cotton-like seeds according to this utility model.Figure 4 ;

[0023] Figure 5 This is a side view of the seed-picking finger clip of this utility model applicable to cotton seeds or cotton-like seeds;

[0024] Figure 6 This is a top view of the seed-collecting finger clip of this utility model applicable to cotton seeds or cotton-like seeds;

[0025] Reference numerals: Rotating part 1, Seed taking part 2, Blind hole 3, Hinge shaft hole 101, Seed guiding arc surface 201, Seed discharging arc surface 202, Seed clamping groove 203, Smooth flow-blocking inclined section 204, Connecting rod hole 205. Detailed Implementation

[0026] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0027] In the description of this application, it should be noted that the terms "left," "top," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product is usually placed when in use. They are only used to facilitate the description of this application and to simplify the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0028] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, a direct connection, or an indirect connection through an intermediate medium; or they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0029] like Figures 1 to 6 As shown, the present invention provides a seed-picking finger clip suitable for cotton seeds or cotton-like seeds, including a finger clip body. One end of the finger clip body connected to the base of the seed metering device is a rotating part 1, and the other end connected to the connecting rod of the seed-picking component is a seed-picking part 2. The rotating part 1 is provided with a hinge hole 101, and the outer end face of the rotating part 1 is a semi-circular structure. The seed-picking part 2 is provided with a connecting rod hole 205.

[0030] The seed-collecting part 2 has a seed-guiding arc surface 201 and a seed-discharging arc surface 202 on its top surface. The seed-guiding arc surface 201 is located near the chassis side, and the seed-discharging arc surface 202 is located away from the chassis side. A seed-collecting space of 0.5-1mm is reserved between the seed-guiding arc surface 201 near the end of the rotating part 1 and the top surface of the rotating part 1. The seed-discharging arc surface 202 near the end of the rotating part 1 is horizontal to the top surface of the rotating part 1, that is, the seed-guiding arc surface 201 near the end of the rotating part 1 is lower than the seed-discharging arc surface 202. A seed-clamping groove 203 is provided between the seed-guiding arc surface 201 and the seed-discharging arc surface 202 near the end of the rotating part 1. The bottom surface of 203 is a concave arc surface, and the bottom surface of the seed clamping groove 203 is a variable size structure with the width gradually decreasing. The bottom surface of the seed clamping groove near the end of the rotating part 1 is the widest. The inner side of the seed clamping groove away from the end of the rotating part 1 is connected to the seed guiding arc surface 201, and the outer side is connected to the seed discharging arc surface 202. Cotton seeds or cotton-like seeds are guided into the seed clamping groove 203 through the seed guiding arc surface 201. The size of the seed clamping groove 203 must be such that it can only accommodate one cotton seed or cotton-like seed. Excess seeds are discharged from the outer side of the seed clamping groove 203 along the seed discharging arc surface 202, so as to achieve precise seed picking.

[0031] Furthermore, in this embodiment, the seed guiding arc surface 201, the seed discharging arc surface 202 and the bottom surface of the seed taking part 2 are provided with a smooth flow-blocking inclined section 204. The cooperation between the smooth flow-blocking inclined section 204 and the seed guiding arc surface 201 and the seed discharging arc surface 202 can slow down the flow of seeds, reduce the maximum height of the seed surface, and prevent seeds from being discharged from the side seed discharging port.

[0032] Furthermore, in this embodiment, a blind hole 3 is machined on the finger clip body. The blind hole 3 is used to prevent the finger clip body from deforming. The blind hole 3 is located between the connecting rod hole 201 and the hinge hole 101.

[0033] It should be noted that in this utility model, the blind hole 3 used to prevent deformation of the finger clip body can also be a through hole.

[0034] Furthermore, in this embodiment, the width W1 of the finger clip body is controlled at 7-8mm, the length L1 of the finger clip body near the chassis is controlled at 25.5-27mm, and the length L2 away from the chassis is controlled at 24-25mm. The maximum width W2 of the seed clamping groove 203 is controlled at 5.5-6.8mm, the maximum depth of the seed clamping groove 203 is controlled at 2.2-3mm, the length L3 of the seed clamping groove 203 is controlled at 8-9mm, the distance L4 between the seed clamping groove 203 and the outer side of the rotating part 1 is controlled at 10.5-11.5mm, the distance L5 between the hinge shaft hole 101 and the connecting rod hole 205 is controlled at 13-14.5mm, and the distances L6 and L7 between the center of the hinge shaft hole 101 and the connecting rod hole 201 and the bottom surface of the finger clip body are controlled at 7-7.5mm and 4.5-5mm, respectively. This seed-taking finger clip can achieve precise seed taking, thereby achieving precision sowing.

[0035] This utility model also provides a side-wall clamping seed metering device, wherein the clamping seed-taking component on the side-wall clamping seed metering device includes a rocker arm, a finger clamp, a connecting rod, a limiting post, and a torsion spring; the finger clamp is the aforementioned seed-taking finger clamp; the side-wall clamping seed metering device includes a side-wall clamping finger clamp dropping seed metering device, or a side-wall clamping seed metering device with a side seed outlet.

[0036] The above describes specific embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the scope of protection of this utility model. Therefore, the scope of protection of this utility model should be determined by the scope of the claims.

Claims

1. A seed-collecting finger clip suitable for cotton seeds or cotton-like seeds, comprising a finger clip body, one end of the finger clip body connected to the base of a seed metering device being a rotating part, and the other end connected to a connecting rod of a seed-collecting assembly being a seed-collecting part, wherein the rotating part is provided with a hinge hole, the outer end face of the rotating part has a semi-circular structure, and the seed-collecting part is provided with a connecting rod hole; characterized in that, The top surface of the seed-collecting part is provided with a seed-guiding arc surface and a seed-discharging arc surface. The seed-guiding arc surface is located near the base plate, and the seed-discharging arc surface is located away from the base plate. A seed-collecting space of 0.5-1mm is reserved between the seed-guiding arc surface near the rotating part end and the top surface of the rotating part. The seed-discharging arc surface near the rotating part end is horizontal to the top surface of the rotating part. A seed-clamping groove is provided between the seed-guiding arc surface and the seed-discharging arc surface near the rotating part end. The bottom surface of the seed-clamping groove is a concave arc surface, and the bottom surface of the seed-clamping groove has a variable size structure with the width gradually decreasing. The bottom surface of the seed-clamping groove near the rotating part end is the widest. The inner part of the seed-clamping groove away from the rotating part end is connected to the seed-guiding arc surface, and the outer part is connected to the seed-discharging arc surface. Cotton seeds or cotton-like seeds are guided into the seed-clamping groove through the seed-guiding arc surface. The size of the seed-clamping groove must be suitable for accommodating only one cotton seed or cotton-like seed.

2. The seed-collecting finger clip suitable for cotton seeds or cotton-like seeds according to claim 1, characterized in that, The seed guiding arc surface, the seed discharging arc surface, and the bottom surface of the seed taking part are provided with smooth flow-blocking inclined sections.

3. A seed-collecting finger clip suitable for cotton seeds or cotton-like seeds according to claim 1, characterized in that, The finger clip body is machined with blind holes or through holes, which are located between the connecting rod hole and the hinge hole.

4. A seed-collecting finger clip suitable for cotton seeds or cotton-like seeds according to claim 1, characterized in that, The width W1 of the finger clip body is controlled at 7-8mm, the length L1 of the finger clip body near the chassis is controlled at 25.5-27mm, the length L2 away from the chassis is controlled at 24-25mm, the maximum width W2 of the seed clamping groove is controlled at 5.5-6.8mm, the maximum depth of the seed clamping groove is controlled at 2.2-3mm, the length L3 of the seed clamping groove is controlled at 8-9mm, the distance L4 between the seed clamping groove and the outer side of the rotating part is controlled at 10.5-11.5mm, the distance L5 between the hinge hole and the connecting rod hole is controlled at 13-14.5mm, and the distances L6 and L7 between the center of the hinge hole and the connecting rod hole and the bottom surface of the finger clip body are controlled at 7-7.5mm and 4.5-5mm respectively.

5. A side-wall clamping seed metering device, wherein the clamping seed-taking assembly on the side-wall clamping seed metering device includes a rocker arm, a finger clamp, a connecting rod, a limiting post, and a torsion spring; characterized in that, The finger clip is the seed-taking finger clip applicable to cotton seeds or cotton-like seeds as described in any one of claims 1 to 4.

6. A side-wall clamping seed metering device according to claim 5, characterized in that, The side-wall clamping seed metering device includes a side-wall clamping finger-clamping drop seed metering device or a side-wall clamping seed metering device with a side seeding port.

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